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18121 Konovalenko (2000 NF25)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018121
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2289651673433647 7.5742e-08  
a 3.235525286807886 3.9406e-08 AU
q 2.494702698070231 2.4599e-07 AU
i .9837373074287347 5.876e-06 deg
node 44.74326553467992 0.00049768 deg
peri 310.4688870438513 0.00049781 deg
M 134.9687250453659 1.6228e-05 deg
tp 2456203.522117691298
(2012-Oct-03.02211769)
8.7747e-05 JED
period 2125.766821422483
5.82
3.8836e-05
1.063e-07
d
yr
n .1693506533134719 3.0939e-09 deg/d
Q 3.976347875545541 4.8429e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      712  
   data-arc span      8019 days (21.95 yr)  
   first obs. used      1993-04-26  
   last obs. used      2015-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55904  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:30:51  

Additional Information
 Earth MOID = 1.49051 AU 
 T_jup = 3.143 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO337411  

18121 Konovalenko           Discovered 2000 July 4 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Alexandr A. Konovalenko (b. 1951) is an academician at the Ukrainian National Academy of Sciences and a well-known radioastronomer. He is active in astrophysics and instrumentation using the largest decameter radio telescope (UTR-2). The name was suggested by D. F. Lupishko.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 2000 NF25 = 1994 NV8 = 1995 VO7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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